- find to locate files and directories matching regexes.
- grep to filter lines in files based on pattern matches.
- sed to find and replace using regular expressions and captures.
- awk to work with row- and column-oriented data.
This course assumes prior knowledge of the basic syntax of regular expressions. If you’re new to regular expressions or would like a refresher, take our Powerful Text Searching & Matching with Regular Expressions course first.
This course also assumes basic familiarity with the Bash command line environment found on GNU/Linux and other Unix-like environments. Take our Introduction to Unix course to get up to speed quickly.